6. Find the exact value of each of the following expressions: (a) sin(20°) cos(80°) – cos(20°) sin(80°) 57 CoS COS (b) cos () ) sin (12) COS + sin 12. 12 tan(40°) – tan(10°) (c) 1+ tan(40°) tan(10°)
6. Find the exact value of each of the following expressions: (a) sin(20°) cos(80°) – cos(20°) sin(80°) 57 CoS COS (b) cos () ) sin (12) COS + sin 12. 12 tan(40°) – tan(10°) (c) 1+ tan(40°) tan(10°)
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter7: Analytic Trigonometry
Section: Chapter Questions
Problem 73RE
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